package cn.wolfcode.shop.cloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@SpringBootApplication
@EnableZuulProxy
@EnableFeignClients
public class ZuulServerApp {
    public static void main(String[] args) {
        SpringApplication.run(ZuulServerApp.class,args);
    }
    @Bean

    public CorsFilter corsFilter() {

        final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        final CorsConfiguration config = new CorsConfiguration();

        // 允许cookies跨域

        config.setAllowCredentials(true);

        // #允许向该服务器提交请求的URI，*表示全部允许，在SpringMVC中，如果设成*，会自动转成当前请求头中的Origin

        config.addAllowedOrigin("*");

        // #允许访问的头信息,*表示全部

        config.addAllowedHeader("*");

        // 预检请求的缓存时间（秒），即在这个时间段里，对于相同的跨域请求不会再预检了

        config.setMaxAge(18000L);

        // 允许提交请求的方法，*表示全部允许

        config.addAllowedMethod("OPTIONS");

        config.addAllowedMethod("HEAD");

        // 允许Get的请求方法

        config.addAllowedMethod("GET");

        config.addAllowedMethod("PUT");

        config.addAllowedMethod("POST");

        config.addAllowedMethod("DELETE");

        config.addAllowedMethod("PATCH");

        source.registerCorsConfiguration("/**", config);

        return new CorsFilter(source);

    }
}
